SDK

JavaScript SDK

Advanced fingerprinting and verification for web applications.

@trueguard/trueguard-jsv1.0.6Browser & Network Fingerprinting

Installation

Get started by installing the Trueguard JavaScript SDK.

terminal

# npm
npm install @trueguard/trueguard-js

# yarn
yarn add @trueguard/trueguard-js

# pnpm
pnpm add @trueguard/trueguard-js

Quick Start

Get up and running with fingerprinting in minutes.

Basic Usage

javascript

import { Trueguard } from "@trueguard/trueguard-js";

// Initialize with your public API key
const trueguard = new Trueguard({ apiKey: "your-public-api-key" });

// Create a verification session
try {
  const verificationId = await trueguard.verificationSession();
  console.log("Verification ID:", verificationId);

  // Use this verification ID in your backend API calls
  // to associate user actions with this fingerprint session
} catch (error) {
  console.error("Verification failed:", error.message);
}

Public API Key

Use your public API key (starts with "pub-") in the frontend. Never expose your secret API key in client-side code.

API Reference

Complete reference for the Trueguard class and methods.

Constructor

typescript

new Trueguard(config: InitData)

Parameters

config.apiKey string - Your public API key

Methods

typescript

verificationSession(): Promise<string>

Initiates a verification session by collecting browser and network fingerprints.

Returns

Promise<string> - Unique verification ID

Throws

Error - If error occurs

Support

Need help with the JavaScript SDK?

Check out our documentation or reach out to our support team for assistance with implementing fingerprinting and fraud detection.

Quick Start Event API Contact Support